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TDA9889TS Datasheet(PDF) 9 Page - NXP Semiconductors |
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TDA9889TS Datasheet(HTML) 9 Page - NXP Semiconductors |
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9 / 22 page  2004 Nov 02 9 Philips Semiconductors Product specification DVB selective AGC amplifier TDA9888TS; TDA9889TS αN+1 suppression of IF input frequencies below wanted band at low IF output input frequency between 21 and 31 MHz; referenced to 36 MHz 30 35 − dB C/N carrier-to-noise ratio at low IF at ∆f = 4.9 MHz; note 4a; see Fig.5 112 116 − dBc/Hz at ∆f = 4.9 MHz; note 4b; see Fig.5 90 100 − dBc/Hz αd3 intermodulation at fLIF1 = 4.1 MHz or fLIF2 = 5.9 MHz fIF1 =fosc + 4.7 MHz and fIF2 =fosc + 5.3 MHz; see Fig.6 35 −− dB αd2 in-band harmonics low IF = multiple of 1.31 MHz up to 7.86 MHz fIF1 =fosc + 1.31 MHz 40 −− dB αH(spur) in-band spurious elements (1 to 9 MHz) AC load: ZL(diff) > 1.7 kΩ 50 −− dB out-band spurious elements (>9 MHz) 50 −− dB PSRR power supply ripple rejection [residual ripple FM, peak deviation ∆f at 2 V (p-p) low IF signal] fripple = 70 Hz; see Fig.7 −− 5Hz fripple = 1 kHz; see Fig.7 − 25 35 Hz fripple = 10 kHz; see Fig.7 − 1400 2000 Hz fripple = 100 kHz; see Fig.7 − 2700 4000 Hz power supply ripple rejection [residual ripple AM, modulation factor m at 2 V (p-p) low IF signal] fripple = 70 Hz; see Fig.7 − 1.4 − % IF AGC control; pin AGC Ii(sink)(max) maximum input sink current −− 2 µA Vi(max) maximum allowable input voltage −− VP V Gv gain control voltage range 0 − 3V SAGC negative control steepness ∆GIF/∆Vcon Gv = 0.8 to 2.2 V − 45 − dB/V Tuner AGC; pin TAGC, operating as current output; see Figs 3 and 4 Vi(IF)(min)(p-p) minimum controlled IF input signal voltage between pins IF1 and IF2 (peak-to-peak value) RTOP =22kΩ; ITAGC(sink) = 100 µA − 81 84 dB µV Vi(IF)(max)(p-p) maximum controlled IF input signal voltage between pins IF1 and IF2 (peak-to-peak value) RTOP =0 Ω; ITAGC(sink) = 100 µA 102 106 − dB µV Vi(IF)/∆T variation of AGC controlled IF input voltage with temperature RTOP = 8.2 kΩ; ITAGC(sink) = 100 µA −− 0.07 dB/K Isink sink current (tuner AGC discharge current) VTAGC = 1 V 400 500 600 µA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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